Official

Dense Fog Advisory issued January 7 at 5:05PM MST until January 7 at 11:00PM MST by NWS Great Falls MT

* WHAT…Visibility less than one half mile in dense fog.

* WHERE…Helena Valley.

* WHEN…Until 11 PM MST this evening.

* IMPACTS…Low visibility and icy roadways will make driving
conditions hazardous.

* ADDITIONAL DETAILS…Westerly winds mixing into the Helena Valley
after 9 pm MST will help start to dissipate the fog.

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